Continuity mistake: Normally the windows in Mr Rumbold's office are latch swing open style, but when the staff are viewing the parade they are plainer push up windows.
Are You Being Served? (1972)
1 continuity mistake in By Appointment - chronological order
Starring: Frank Thornton, John Inman, Mollie Sugden, Wendy Richard
Genres: Comedy
Continuity mistake: The Gentlemen's and Ladies' Department is on the first, third, or fourth floor of Grace Brothers, depending on the episode.
Mr. Humphries: I'm free!
Trivia: Frank Thornton, Mollie Sugden, John Inman, Wendy Richard and Nicholas Smith are the only actors to appear in all 69 episodes of the show.
Question: If Mrs. Slocombe had squatters in her new flat, why didn't she simply call the police and have them removed?
Answer: That wasn't possible in 1972. Until recently squatting was a civil offence in the UK, not a criminal one, and removing squatters was a complex and time consuming business.